CPC Subgroup
F42B 3/24 Cartridge closures or seals (top closures for shotgun ammunition cartridges F42B7/12)
Full Title
Blasting cartridges, i.e. case and explosive (fuse cords, e.g. detonating fuse cords C06C5/00; chemical aspects of detonators, blasting caps or primers C06C7/00) > Cartridge closures or seals (top closures for shotgun ammunition cartridges F42B7/12)